---
description: Conceptual and technical reference material for Cloudflare Workers architecture and behavior.
title: Reference
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/workers/llms.txt  
> Use this file to discover all available pages before exploring further.

# Reference

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://e8aee267.previews.developers.cloudflare.com/workers/reference/index.md)|[Agent setup](https://e8aee267.previews.developers.cloudflare.com/agent-setup/)

Conceptual knowledge about how Workers works.

* [How the Cache works](https://e8aee267.previews.developers.cloudflare.com/workers/reference/how-the-cache-works/)
* [How Workers works](https://e8aee267.previews.developers.cloudflare.com/workers/reference/how-workers-works/)
* [Migrate from Service Workers to ES Modules](https://e8aee267.previews.developers.cloudflare.com/workers/reference/migrate-to-module-workers/)
* [Protocols](https://e8aee267.previews.developers.cloudflare.com/workers/reference/protocols/)
* [Security model](https://e8aee267.previews.developers.cloudflare.com/workers/reference/security-model/)

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## On this page

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